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[PATCH] drivers/acpi: fix-up schedule_timeout() usage
Use schedule_timeout_interruptible() instead of set_current_state()/schedule_timeout() to reduce kernel size. Also use msecs_to_jiffies() instead of direct HZ division to avoid rounding errors. Signed-off-by: Nishanth Aravamudan <nacc@us.ibm.com> Cc: "Brown, Len" <len.brown@intel.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -313,8 +313,7 @@ acpi_status acpi_os_remove_interrupt_handler(u32 irq, acpi_osd_handler handler)
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void acpi_os_sleep(acpi_integer ms)
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void acpi_os_sleep(acpi_integer ms)
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{
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{
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current->state = TASK_INTERRUPTIBLE;
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schedule_timeout_interruptible(msecs_to_jiffies(ms));
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schedule_timeout(((signed long)ms * HZ) / 1000);
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}
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}
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EXPORT_SYMBOL(acpi_os_sleep);
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EXPORT_SYMBOL(acpi_os_sleep);
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@ -838,8 +837,7 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout)
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ret = down_trylock(sem);
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ret = down_trylock(sem);
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for (i = timeout; (i > 0 && ret < 0); i -= quantum_ms) {
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for (i = timeout; (i > 0 && ret < 0); i -= quantum_ms) {
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current->state = TASK_INTERRUPTIBLE;
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schedule_timeout_interruptible(1);
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schedule_timeout(1);
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ret = down_trylock(sem);
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ret = down_trylock(sem);
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}
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}
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